:root{--ink:#172126;--muted:#66777d;--paper:#f4f1e9;--panel:#fffdf8;--line:#d9d8cf;--soft:#ebe9e1;--brand:#315f73;--brand2:#3f7d78;--amber:#b97824;--danger:#a53e3e;--ok:#2e765f;--shadow:0 12px 32px rgba(25,38,43,.10);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--paper)}body{font-size:14px;line-height:1.45}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}:focus-visible{outline:3px solid rgba(49,95,115,.35);outline-offset:2px}.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:20px;min-height:70px;padding:10px 22px;background:rgba(255,253,248,.96);border-bottom:1px solid 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var(--soft);background:transparent;padding:7px 8px;text-align:left;border-radius:0 7px 7px 0;font-size:12px}.tree-button:hover,.tree-button.active{background:#edf2f2;border-left-color:var(--brand)}.badge{margin-left:auto;border-radius:999px;background:#e6efef;color:var(--brand);padding:2px 7px;font:700 10px ui-monospace,monospace}.badge.bad{background:#f7e8e6;color:var(--danger)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:10px;margin:18px 0}.card{padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:11px}.card small{display:block;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-size:10px;font-weight:800}.card strong{font:700 23px ui-monospace,SFMono-Regular,Consolas,monospace}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:11px;background:var(--panel)}table{border-collapse:separate;border-spacing:0;width:100%;font-size:12px}th,td{padding:8px 10px;border-bottom:1px solid 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0}.notice.danger{border-color:#e6b9b4;background:#fff0ee;color:var(--danger)}.structure-card{background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:14px;margin:12px 0}.structure-row{display:grid;grid-template-columns:minmax(160px,2fr) minmax(90px,.7fr) auto;gap:8px;align-items:end;margin-bottom:10px}.unit-block{border-left:3px solid var(--soft);padding-left:14px;margin:15px 0}.inline-input{width:100%;border-color:transparent;background:transparent}.inline-input:focus{background:white;border-color:var(--brand)}.icon-button{border:0;background:transparent;font-size:24px;line-height:1;padding:4px 8px}.mini{border:0;background:transparent;color:var(--muted);padding:4px;font-size:11px}.mini:hover{color:var(--danger)}.dialog{width:min(880px,94vw);max-height:90vh;padding:0;border:1px solid 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15px;border-radius:9px;transition:.18s}.toast.show{opacity:1;transform:translate(-50%,0)}.attendance-buttons{display:flex;gap:4px}.attendance-buttons button{width:29px;height:29px;border-radius:7px;border:1px solid var(--line);background:var(--panel);font-size:11px;font-weight:800}.attendance-buttons button.active{background:var(--brand);border-color:var(--brand);color:white}.observation{padding:12px;border-bottom:1px solid var(--soft)}.observation p{white-space:pre-wrap;margin:5px 0}.chip{display:inline-block;padding:2px 7px;border-radius:99px;background:var(--soft);font-size:10px;font-weight:700}.link-button{color:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.module-fields{display:grid;grid-template-columns:120px 2fr 1fr 100px auto;gap:8px;align-items:end}
.enrollment-check{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;font-size:11px}.enrollment-check input{width:17px;height:17px;accent-color:var(--brand)}
@media(max-width:980px){.topbar{flex-wrap:wrap}.module-picker{order:3;flex-basis:100%}.tabs{top:122px}.workspace{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line)}.sidebar .tree-group{display:inline-block;vertical-align:top;width:min(300px,100%);margin-right:10px}.structure-row,.module-fields{grid-template-columns:1fr}.settings-grid,.two-cols{grid-template-columns:1fr}.settings-grid .wide{grid-column:auto}}
@media(max-width:620px){.topbar{padding:10px 14px}.brand{min-width:auto}.brand small,.status{display:none}.top-actions{margin-left:auto}.top-actions .button{padding:7px 9px}.tabs{position:static;padding:0 10px}.workspace{min-height:auto}.content{padding:16px 12px}.sidebar{padding:14px 12px}.student-col{min-width:160px}.dialog-head,.dialog-body,.dialog-foot{padding-left:14px;padding-right:14px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.topbar,.tabs,.sidebar,.toolbar,.no-print{display:none!important}.workspace{display:block}.content{padding:0}.table-wrap{border:0}body{background:#fff}.card,.structure-card{break-inside:avoid}}